HI-3585 Datasheet, PDF (1/14 Pages) Holt Integrated Circuits – ARINC 429 May 2009 Terminal IC with SPI Interface

May 2009
HI-3585
ARINC 429
Terminal IC with SPI Interface
GENERAL DESCRIPTION
PIN CONFIGURATIONS (Top View)
The HI-3585 from Holt Integrated Circuits is a silicon gate
CMOS device for interfacing a Serial Peripheral Interface
(SPI) enabled microcontroller to the ARINC 429 serial bus.
The device provides one receiver with user-programmable
label recognition for any combination of 256 possible
labels, 32 x 32 Receive FIFO and analog line receiver.
The independent transmitter has a 32 x 32 Transmit FIFO
and built-in line driver. The status of the transmit and
receive FIFOs can be monitored using the programmable
external interrupt pin, or by polling the HI-3585 Status
Register. Other features include a programmable option
of data or parity in the 32nd bit, and the ability to switch the
bit-signifiance of ARINC 429 labels. Pins are available
with different input resistance and output resistance
values which provides flexibility when using external
lightning protection circuitry.
N/C - 1
RINB-40 - 2
RINB - 3
N/C - 4
N/C - 5
N/C - 6
MR - 7
SI - 8
CS - 9
N/C - 10
N/C - 11
HI-3585PCI
HI-3585PCT
33 - BOUT27
32 - BOUT37
31 - N/C
30 - V-
29 - N/C
28 - TFLAG
27 - N/C
26 - N/C
25 - RFLAG
24 - N/C
23 - N/C
The Serial Peripheral Interface minimizes the number of
host interface signals resulting in a small footprint device
that can be interfaced to a wide range of industry-standard
microcontrollers supporting SPI. Alternatively, the SPI
signals may be controlled using just four general purpose
I/O port pins from a microcontroller or custom FPGA. The
SPI and all control signals are CMOS and TTL compatible
and support 3.3V or 5V operation.
44 - Pin Plastic 7mm x 7mm
Chip-Scale Package (QFN)
The HI-3585 applies the ARINC 429 protocol to the
receiver and transmitter. ARINC 429 databus timing
comes from a 1 MHz clock input, or an internal counter can
derive it from higher clock frequencies having certain fixed
values, possibly the external host processor clock.
FEATURES
· ^{ARINC specification 429 compliant}
· ^{3.3V or 5.0V logic supply operation}
· ^{On-chip analog line driver and receiver connect}
directly to ARINC 429 bus
· ^{Programmable label recognition for 256 labels}
· ^{32 x 32 Receive FIFO and 32 x 32 Transmit FIFO}
· ^{Independent data rates for Transmit and Receive}
· ^{High-speed, four-wire Serial Peripheral Interface}
· ^{Label bit-order control}
· ^{32nd transmit bit can be data or parity}
· ^{Self test mode}
· ^{Low power}
· ^{Industrial & extended temperature ranges}
N/C - 1
RINB-40 - 2
RINB - 3
N/C - 4
N/C - 5
N/C - 6
MR - 7
SI - 8
CS - 9
N/C - 10
N/C - 11
HI-3585PQI
HI-3585PQT
33 - BOUT27
32 - BOUT37
31 - N/C
30 - V-
29 - N/C
28 - TFLAG
27 - N/C
26 - N/C
25 - RFLAG
24 - N/C
23 - N/C
44 - Pin Plastic Quad Flat Pack (PQFP)
(DS3585 Rev. B)
HOLT INTEGRATED CIRCUITS
www.holtic.com
05/09